Top Impedance Control Reviews

On-Q AU0100WHLAV1 Impedance Matching Volume Control, White/Light Almond

IN-WALL SPEAKER: The On-Q Speaker Level / Impedance Matching Volume Control occupies a single gang of an electrical box and is offered in white, and light almond in an attractive decorator style..
VOLUME CONTROL: These volume controls enable more pairs of speakers to be connected to an amplifier than the amplifier could normally accommodate (due to impedance matching ability).
SPEAKER DIMENSIONS: The in-wall speaker comes with dimensions 5. 1” (H) x 4. 3” (W) x 3. 2” (D).
AVAILABLE COLOR: The Legrand in-wall speaker available in two different color white and light almond - both included in the package.
: The Legrand in-wall speaker comes with one year lifetime.

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JOYO JF-312 Pipebomb Electric Guitar Single Effect Mini Pedal

Output volume control Compressor Sensitivity Adjustment Mixing ratio for original signal and compressor signal Attack response time adjustment.
True Bypass Input Impedance:1M Output Impedance:10K Running Current 10mA Power: DC 9V adapter (negative polarity) Dimensions 73(L) * 43(W)* 50(H)mm.
JF-312 Pipe bomb ( Compressor), NEW mini Guitar effects pedals from JOYO..

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Juried Engineering CD4016BE CD4016 4016 100-pA 20-V 1 1 SPST 4-Channel Analog Switch Breadboard-Friendly IC DIP-14 Pack of 10

Example Applications: Analog signal switching/multiplexing: Signal gating, Squelch control, Chopper, Modulator, Demodulator, Commutating switch, Digital signal switching/multiplexing, CMOS logic implementation, Analog-to-digital & digital-to-analog conversion, Digital control of frequency, impedance, phase, and analog-signal gain.

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Juried Engineering CD4016BE CD4016 4016 100-pA 20-V 1 1 SPST 4-Channel Analog Switch Breadboard-Friendly IC DIP-14 Pack of 20

Example Applications: Analog signal switching/multiplexing: Signal gating, Squelch control, Chopper, Modulator, Demodulator, Commutating switch, Digital signal switching/multiplexing, CMOS logic implementation, Analog-to-digital & digital-to-analog conversion, Digital control of frequency, impedance, phase, and analog-signal gain.

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Juried Engineering CD4016BE CD4016 4016 100-pA 20-V 1 1 SPST 4-Channel Analog Switch Breadboard-Friendly IC DIP-14 Pack of 5

Example Applications: Analog signal switching/multiplexing: Signal gating, Squelch control, Chopper, Modulator, Demodulator, Commutating switch, Digital signal switching/multiplexing, CMOS logic implementation, Analog-to-digital & digital-to-analog conversion, Digital control of frequency, impedance, phase, and analog-signal gain.

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Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer with Sub-Output, Grey

Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer With Sub-Output. Dual channel (31 bands per channel). Variable stage low and high cut filters..
1/3 octave filter sets (ISO centers). 20 Hz to 20 kHz effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range. Output level LEDs (-10 to +17 dB)..
Bypass switch with status LED. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel..
Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz.
Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dBLevel Control: +/- 10 dB. Signal to Noise: 003e93 dB. Distortion: 0.005%..

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AudioPipe XV-BXP-SUB 15V Car Audio System Digital Sound Equalizer Epicenter Enhancer Restoration Signal Processor Bass Booster w/ Remote Knob, Black

SIGNAL PROCESSOR BASS BOOSTER: XV-BXP-SUB digital bass booster helps you control the amount of bass in your sound system for maximum music enjoyment.
DASH-MOUNTED KNOB: Dash-mount bass knob allows you to fine-tune your low notes.
POWER REQUIREMENTS: 15-volt RMS max with 13.5-volt peak output max.
High headroom pulse width modulated (PWM) power supply.
FREQUENCY RESPONSE & IMPEDANCE: 10K-ohm input impedance and 150-ohm output impedance.
0 hertz to 100-kilohertz frequency response.
NOISE SPECIFICATIONS: Total harmonic distortion is 0.003 percent.
Balanced input noise rejection: less than 60 decibels.

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Fanmusic Topping L70 Full Balanced NFCA Headphone Amplifier 4Pin XLR/4.4 Balanced/6.35mm SE Output Amp with Remote Control (Black)

...ested Feedback Composite Amplifier) module with A90. Voltage current hybrid feedback architecture along with UHGF (Ultra High Gain Feedback) technology provide excellent DC and AC performance, ultra-low THD+N and absurdly high dynamic range of 146dB. Even more, high output current drive capability, ultra-low output impedance and the ultra-low noise of 0.3uV which is miles ahead of the competition provide sufficient guarantee for driving headphones with various characteristics, sO that high-fidelity music can be vividly performed on different headphones..
4-Pin-XL R/4. 4mm balanced/6. 35mm SE: The L70 is compatible with common headphone jacks including: 4-pin XLR balanced, 4.4mm balanced, 6.35mm single ended, and 3.5mm single- ended. The built- in fully balanced amplifier circuit can not only fit well with balanced headphones, but also have perfect performance with single -ended headphones..
Compatible with almost all kinds of headphones: L70's output has high output voltage, high output current, low noise, low output impedance, sO no headphones that can't be dealt with. High output voltage can easily drive high impedance headphones.
High output current allows low-sensitivity headphones to obtain enough power.
Low noise allows high- sensitivity IEMs to ....

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Pyle PCA1.5 2x15 Watt Stereo Power Amplifier - Compact Mini 2-Channel Portable Home Audio Speaker Receiver Box for Amplified Speakers Sound System with RCA Cable L/R Input for CD Player, Tuner, MP3

2x15 WATT PEAK POWER: The Pyle Dual Channel Mini Audio Amplifier is perfect for your home theater acoustic sound system. Gives you 2x15 watts peak power which can be used for multi speakers at 4 ohms impedance, enjoy high quality music and movies.
MASTER VOLUME CONTROL: The improved compact bookshelf speaker sound amplifier features crisp and responsive buttons for the power switch. It also features rotary knob control for the master volume adjustment. Runs on 110 or 220 V.
MULTIPLE SOURCES: This personal portable digital amp box lets you connect external audio sources such as tuner, CD player, tape deck, camcorder and VCR to the RCA L/R cable input and enjoy enhanced amplified acoustic audio reproduction.
PUSH TYPE SPEAKER TERMINAL: It lets you easily connect speaker wires directly to the amplifier. The speaker impedance ranges from 4 to 8 Ohms for the general stereo output. The total speaker impedance must be at least 4-Ohm per channel at stereo mode.
COMPACT SIZE: The professional integrated stereo receiver features a mini compact size and measures 5.61” W x 2.17” H x 4.21” D, easy to bring anywhere it is needed. Can be used for indoor home and outdoor sound system applications.

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Monoprice 108243 RMS 100W Speaker Volume Controller White

The MVR-100 is a rotary-type wall plate volume control for speaker systems with power ratings of up-Inch 100 watts per channel and impedance ratings....
This rotary control can be set-Inch one of twelve positions including the minimum (off) and maximum volume settings.
Please note: This volume control does not include a wall mounting bracket.

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Xtrempro 61048 2 to 4 Way Speaker Switch, 1 in 2 Out to 1 in 4 Out Way Pair Stereo Speaker Selector W/Terminal Clamps Metal Non-Slip Box - Black (1 x 2 Way)

2 or 4 channel stereo speaker control, allow conventional amplifier or stereo receiver to drive multiple sets of speakers, without the need for external impedance matching devices.
Ideal for low cost Distributed audio in residential or commercial sound applications.
Individual control of each speaker pair. Impedance constant at 4-16 ohms, 150w(per Channel), 300W max, Cable length: Max 164ft/50m.
Just hooked up to the stereo. No extra power supply needed.
Metal non-slip box, 5in x 3in x 1. 5in (2 way) and 9in x 3in x 1. 5in (4 way).

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OSD Audio 7-Zone Automatic Speaker Selector – Dual Source and Remote Control – ATM7

SOUND DISTRIBUTION: This speaker selector allows you to distribute an amplified audio signal to seven zones throughout the house, letting you choose between two music sources in each designated zone..
POWER: Since this ATM-7 is a passive device with no built-in impedance protection, we recommend using our impedance matching in-wall volume controls so that the load doesn’t affect your amp in a negative way..
DESIGN: Multi-Zone Enable (2 In Working Mode), Zone In/Out Select, Dual Music Source A or B (2 In Mode) or output channels (7 In mode) located on the front, Master-Slave switch when connecting 2 ATM7 in parallel on the back..
FEATURES: Perfect for your stereo needs, an IR Remote Controlled Front Panel Status LEDs for Power, Multi-zone, Master/Slave, Zone In/Out Select, In/Out Mode and Zone Out/In Selector and can be mounted/controlled in remote location..
IR REMOTE: The ATM7 includes an IR remote control that has backup memory function and a 10-meter remote operating distance. Easily program the remote control of any of your favorite universal remote controls with the provided code..

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Proster Headphone Amplifier with 500mW Power Support 16-500 Portable Amp Rechargeble 3.5mm HiFi Audio Amp Earphone Amplifier USB for iPhones iPod MP3 MP4 Digital Player Computer

HiFi Headphone AmplifierSupports most headphones of high impedance 16-500, signal-to-noise ratio> 100Db, THD + N = 0.0003%, fully filter noise, output remarkable sound without distortion..
2400mAH Rechargeable BatteryRechargeable lithium battery with 2400mAH capacity can achieve over 16 hours continuously working time. Professional chip design and expertly selected components, utilizing OPA2140 preamp section..
Aluminum Matte SurfaceDurable aluminum matte helps to shield/reduce signal interference and enhance heat resistance, meanwhile provide you a comfortable handheld feeling..
Gain Switch & Power IndicatorA gain switch for matching output to headphone power needs.
Charging Indicator for power status checking.
Adjust headphone output via volume control knob as your will..
Compact & PortableWith 1.1m USB charging cable, the HiFi Amp is compatible with headphone Shure SE215 Sennheiser IE80 Sennheiser HD650 Sony XBA-A3 Beyerdynamic DT990.(Output Power: 25mW in Impedance 500, 500mW in Impedance 16).

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